Digi SM-500MK4 DP - ROM Checksum Test; PLU Generator Test

SM500MK4 Service Manual
23
5.1.5 ROM Checksum Test
KEY TO PRESS OPERATION
-- Testing the ROM Checksum.
-- Press the [PRINT] Key to start the testing.
After that
5.1.6 PLU Generator Test
KEY TO PRESS OPERATION
+
-- Testing the PLU Generator.
-- Press the [PRINT] key to start PLU Generator.
Then it will display how many PLU generated at the right top corner.
Then
KEY TO PRESS OPERATION
-- Go to Hardware Testing Mode again
After that
KEY TO PRESS OPERATION
-- It will show the message below.
FF5A5B
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